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1、镀锌板风管摩擦阻力表矩型风管mm风量(m3/h)/摩擦阻力(Pa)v=2m/sv=3 m/sv=4 m/sv=5 m/sv=6 m/s120x120104/0.61156/1.27207/2.15259/3.25311/14.57160x120138/0.51207/1.07277/1.8346/2.75415/3.86160x160184/0.42277/0.78369/1.49461/2.26553/3.17200x120173/0.46259/0.95346/1.62432/2.45734/3.44200x160230/0.36346/0.77461/1.3576/1.79691/2.7
2、8250x120216/0.41324/0.87432/1.47540/2.23648/250x160288/0.32432/0.69576/1.17720/1.77864/2.48250x200360/0.27540/0.58720/0.99900/1.501080/2.11320x120269/0.38403/0.79537/1.34672/2.03806/2.86320x160369/0.29553/0.61737/1.04922/1.581106/2.22320x200461/0.25691/0.519221/0.871152/1.311382/1.85320x250576/0.218
3、64/0.431152/0.741440/1.121728/1.57400x120336/0.35504/0.74673/1.25841/1.901009/2.67400x160461/0.27691/0.56922/0.951152/1.451382/2.03400x200576/0.22864/0.461152/0.781440/1.201728/1.68400x250720/0.191080/0.381440/0.661800/1.002160/1.40500x160576/ 0.25864/0.521152/0.891440/1.341728/1.89500x200720/0.2110
4、80/0.421440/0.731800/1.12160/1.54500x250900/0.171350/0.351800/0.602250/0.902700/1.28500x3201152/0.141728/0.282304/0.492880/0.753456/1.05500x4001440/0.122160/0.252880/0.423600/0.644320/0.89630x160726/0.221089/0.481452/0.841814/1.122177/1.98630x200907/0.191361/0.391814/0.672268/1.022722/1.43630x250113
5、4/0.161701/0.322268/0.552835/0.833402/0.19630x3201452/0.132177/0.262903/0.443629/0.674355/0.94630x4001814/0.112722/0.223629/0.374536/0.565443/0.79630x5002268/0.13402/0.194536/0.315670/0.486804/0.68800x160922/0.201382/0.421843/0.672304/1.022765/2.15800x2001152/0.181728/0.372304/0.632880/0.953456/1.34
6、800x2501440/0.142160/0.32880/0.513600/0.774320/1.08800x3201843/0.12765/0.233686/0.404608/0.605530/0.851000x2001440/0.162160/0.352880/0.603600/0.904320/1.301000x2501800/0.132700/0.283600/0.484500/0.725400/1.021000x3202304/0.113456/0.234608/0.375760/0.576912/0.80室内风管风速选择表1、低速风管系统的推荐和最大流速m/s应用场所住宅公共建筑工
7、厂推荐最大推荐最大推荐最大室外空气入口空气过滤器加热排管冷却排管淋水室风机出口主风管支风管水平支风管垂直2.51.32.32.32.56.04.03.02.54.01.52.52.32.58.56.05.04.02.51.52.52.52.59.06.04.03.54.51.83.02.52.511.08.06.56.02.51.83.03.02.510.09.05.04.08.01.83.53.02.514.011.09.08.02、低速风管系统的最大允许速m/s应用场所以噪声控制主风管以摩擦阻力控制送风主管回风主管送风支管回风支管住宅公寓、饭店房间办公室、图书馆大礼堂、戏院银行、高级餐厅百
8、货店、自助餐厅工厂3.05.06.04.07.59.012.55.07.510.06.510.012.015.04.06.57.55.57.57.59.03.06.08.05.08.08.011.03.05.06.14.06.06.07.5室内允许噪声dBA主管风速m/s支管风速m/s25-353-4235-504-62-3注：民用住宅35dBA，商务办公45dBA。四、室内风口风速选择表1、送风口风速卧 室 1.5-2m/s 风口在上部时起 居 2-3m/s 风口在上部时办 公 室 3m/s 风口距地2.5m 4m/s 风口距地4.5m商场、娱乐 3-5m/s2、以噪音标准控制的允许送风流速
9、m/s应用场所流速m/s图书馆、播送室住宅、公寓、私人办公室、医院房间银行、戏院、教室、一般办公室、商店、餐厅工厂、百货公司、厨房1.75-2.53、推荐的送风口流速m/s应用场所流速m/s播音室戏院住宅、公寓、饭店房间、教室一般办公室电影院百货店、上层百货店、地下1.5-2.52.5-3.55.07.510.04、送风口之最大允许流速m/s应用场所盘形送风口顶棚送风口侧送风口 播送室 医院疗房 饭店房间、会客室 百货公司、剧场 教室、图书馆、办公室3.0-3.54.0-4.55.0-6.02.55、回风口风速房间净高风口位置风速3.5-4上部3-4m/s3-3.5上部2-3m/s2.5-3上
10、部1.5-2m/s人不常停留处下部3m/s人常停留处下部1.5-2m/s走廊回风下部1-1.5m/s6、回风格栅的推荐流速m/s位置近座位逗留区以上门下部门上部工业用流速m/s2-33-4434百叶窗的推荐流速m/s位置新风回风减温器正面减温器旁通加热器旁通流速m/s2.5-44-62-47.5-125-7.58、逗留区流速与人体感觉的关系流速m/s人体感觉 不舒适，停滞空气的感觉 理想，舒适 根本舒适 不舒适，可以吹动薄纸 对站立者为舒适感之上限 用于工厂和局部空间9、顶棚散流器送风量尺寸mm送风流速 m/s1.01.52.02.53.755.0250*2505070951201752353
11、00*30070100135170255340350*35090140185230350465400*400120180240295440590500*500190280380470710945600*6002704105456801020136010、侧送风口送风量送风口尺寸mm送风口流速m/s1.52.02.53.755.0250*1003040507095300*10035455585115400*100456075115150500*100557595145190600*1007090115170230750*10085115145215285900*100100135170255340250*150455570105145300*150507085130170400*1507090115170230500*15085115145215285600*150100135170255340750*150130170215320430900*150155205255385515400*20090120150230305500*200115150190285380600*200135180230340455750*200170230285430570900*200205275340415685400*250115150190285380
